Datasheet > 微控制器和处理器 > 计时器或实时时钟> DS2415V

DS2415V

更新时间： 2024-02-17 18:49:59

品牌	Logo	应用领域
达拉斯 - DALLAS		时钟
页数	文件大小	规格书
20页	146K
描述
1-Wire Time Chip

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技术参数
数据手册

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DS2415V 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	CHIP SCALE	Reach Compliance Code：	unknown
风险等级：	5.87	信息访问方法：	SERIAL, 1-WIRE
JESD-609代码：	e0	端子数量：	6
计时器数量：		最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装形状：	UNSPECIFIED	认证状态：	Not Qualified
最大供电电压：	5.5 V	最小供电电压：	2.5 V
标称供电电压：	3 V	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	UNSPECIFIED	端子位置：	UNSPECIFIED
uPs/uCs/外围集成电路类型：	TIMER, REAL TIME CLOCK

DS2415V 数据手册

DS1385/DS1387

RAMified Real Time Clock 4K x 8

FEATURES

PIN ASSIGNMENT

• Upgraded IBM AT computer clock/calendar with

4K x 8 extended RAM

OER

SQW

AS0

AS1

SQW

AS0

AS1

• Totally nonvolatile with over 10 years of operation in

the absence of power

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

GND

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

GND

BAT

• Counts seconds, minutes, hours, day of the week,

date, month and year with leap year compensation

IRQ

WER

IRQ

WER

• Binary or BCD representations of time, calendar and

alarm

GND

ALE

• 12– or 24–hour clock with AM and PM in 12–hour

mode

DS1385 24–PIN DIP

(600 MIL)

DS1387 24–PIN

ENCAPSULATED PACKAGE

(740 MIL FLUSH)

• Daylight Savings Time option

• Multiplex bus for pin efficiency

• Interfaced with software as 64 user RAM locations

plus 4K x 8 of static RAM

–

14–bytes of clock and control registers

50–bytes of general purpose RAM

OER

SQW

4K x 8 SRAM accessible by using separate con-

trol pins

AS0

AS1

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

• Programmable square wave output signal

• Bus–compatible interrupt signals (IRQ)

BAT

IRQ

WER

• Three interrupts are separately software–maskable

and testable:

BGND

ALE

–

Time–of–day alarm once/second to once/day

Periodic rates from 122 µs to 500 ms

End–of–clock update cycle

GND

DS1385S 28–PIN SOIC

(330 MIL)

• Available as chip (DS1385 or DS1385S) or stand

alone module with embedded lithium battery and

crystal (DS1387)

ORDERING INFORMATION

DS1385

DS1385S

DS1387

RTC Chip; 24–pin DIP

RTC Chip; 28–pin SOIC

RTC Module; 24–pin DIP

patents and other intellectual property rights, please refer to

Dallas Semiconductor data books.

012496 1/20

12 3 4 5 6 7...20

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